aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/generic/patches-3.0/505-2.6.39_fix.patch
blob: 5108f7be3f1b0d43cd76ab68c966f02c5ceda263 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
--- a/fs/yaffs2/yaffs_vfs_glue.c
+++ b/fs/yaffs2/yaffs_vfs_glue.c
@@ -72,7 +72,7 @@
 #include <linux/init.h>
 #include <linux/fs.h>
 #include <linux/proc_fs.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
 #include <linux/pagemap.h>
 #include <linux/mtd/mtd.h>
 #include <linux/interrupt.h>
@@ -97,6 +97,8 @@
 
 #include <asm/div64.h>
 
+static DEFINE_MUTEX(yaffs_mutex);
+
 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
 
 #include <linux/statfs.h>
@@ -1538,7 +1540,7 @@ static loff_t yaffs_dir_llseek(struct fi
 {
 	long long retval;
 
-	lock_kernel();
+	mutex_lock(&yaffs_mutex);
 
 	switch (origin){
 	case 2:
@@ -1555,7 +1557,7 @@ static loff_t yaffs_dir_llseek(struct fi
 
 		retval = offset;
 	}
-	unlock_kernel();
+	mutex_unlock(&yaffs_mutex);
 	return retval;
 }
 
@@ -3087,98 +3089,52 @@ static struct super_block *yaffs_interna
 	return sb;
 }
 
-
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
 static int yaffs_internal_read_super_mtd(struct super_block *sb, void *data,
 					 int silent)
 {
 	return yaffs_internal_read_super(1, sb, data, silent) ? 0 : -EINVAL;
 }
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
-static int yaffs_read_super(struct file_system_type *fs,
+static struct dentry *yaffs_read_super(struct file_system_type *fs,
 			    int flags, const char *dev_name,
-			    void *data, struct vfsmount *mnt)
-{
-
-	return get_sb_bdev(fs, flags, dev_name, data,
-			   yaffs_internal_read_super_mtd, mnt);
-}
-#else
-static struct super_block *yaffs_read_super(struct file_system_type *fs,
-					    int flags, const char *dev_name,
-					    void *data)
+			    void *data)
 {
 
-	return get_sb_bdev(fs, flags, dev_name, data,
+	return mount_bdev(fs, flags, dev_name, data,
 			   yaffs_internal_read_super_mtd);
 }
-#endif
 
 static struct file_system_type yaffs_fs_type = {
 	.owner = THIS_MODULE,
 	.name = "yaffs",
-	.get_sb = yaffs_read_super,
+	.mount = yaffs_read_super,
 	.kill_sb = kill_block_super,
 	.fs_flags = FS_REQUIRES_DEV,
 };
-#else
-static struct super_block *yaffs_read_super(struct super_block *sb, void *data,
-					    int silent)
-{
-	return yaffs_internal_read_super(1, sb, data, silent);
-}
-
-static DECLARE_FSTYPE(yaffs_fs_type, "yaffs", yaffs_read_super,
-		      FS_REQUIRES_DEV);
-#endif
-
 
 #ifdef CONFIG_YAFFS_YAFFS2
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
 static int yaffs2_internal_read_super_mtd(struct super_block *sb, void *data,
 					  int silent)
 {
 	return yaffs_internal_read_super(2, sb, data, silent) ? 0 : -EINVAL;
 }
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
-static int yaffs2_read_super(struct file_system_type *fs,
-			int flags, const char *dev_name, void *data,
-			struct vfsmount *mnt)
+static struct dentry *yaffs2_read_super(struct file_system_type *fs,
+			int flags, const char *dev_name,
+			void *data)
 {
-	return get_sb_bdev(fs, flags, dev_name, data,
-			yaffs2_internal_read_super_mtd, mnt);
+	return mount_bdev(fs, flags, dev_name, data,
+		yaffs_internal_read_super_mtd);
 }
-#else
-static struct super_block *yaffs2_read_super(struct file_system_type *fs,
-					     int flags, const char *dev_name,
-					     void *data)
-{
-
-	return get_sb_bdev(fs, flags, dev_name, data,
-			   yaffs2_internal_read_super_mtd);
-}
-#endif
 
 static struct file_system_type yaffs2_fs_type = {
 	.owner = THIS_MODULE,
 	.name = "yaffs2",
-	.get_sb = yaffs2_read_super,
+	.mount = yaffs2_read_super,
 	.kill_sb = kill_block_super,
 	.fs_flags = FS_REQUIRES_DEV,
 };
-#else
-static struct super_block *yaffs2_read_super(struct super_block *sb,
-					     void *data, int silent)
-{
-	return yaffs_internal_read_super(2, sb, data, silent);
-}
-
-static DECLARE_FSTYPE(yaffs2_fs_type, "yaffs2", yaffs2_read_super,
-		      FS_REQUIRES_DEV);
-#endif
 
 #endif				/* CONFIG_YAFFS_YAFFS2 */